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[gromacs.git] / src / gromacs / mdlib / ebin.h
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37 #ifndef GMX_MDLIB_EBIN_H
38 #define GMX_MDLIB_EBIN_H
40 #include <stdio.h>
42 #include "gromacs/fileio/enxio.h"
43 #include "gromacs/trajectory/energy.h"
44 #include "gromacs/utility/basedefinitions.h"
46 /* This is a running averaging structure ('energy bin') for use during mdrun. */
47 typedef struct {
48 int nener;
49 gmx_enxnm_t *enm;
50 gmx_int64_t nsteps;
51 gmx_int64_t nsum;
52 t_energy *e;
53 gmx_int64_t nsteps_sim;
54 gmx_int64_t nsum_sim;
55 t_energy *e_sim;
56 } t_ebin;
58 enum {
59 eprNORMAL, eprAVER, eprRMS, eprNR
62 t_ebin *mk_ebin(void);
63 /* Create an energy bin */
65 int get_ebin_space(t_ebin *eb, int nener, const char *enm[], const char *unit);
67 /* Create space in the energy bin and register names.
68 * The enm array must be static, because the contents are not copied,
69 * but only the pointers.
70 * Function returns an index number that must be used in subsequent
71 * calls to add_ebin.
74 void add_ebin(t_ebin *eb, int index, int nener, real ener[], gmx_bool bSum);
75 /* Add nener reals (eg. energies, box-lengths, pressures) to the
76 * energy bin at position index.
77 * If bSum is TRUE then the reals are also added to the sum
78 * and sum of squares.
81 void ebin_increase_count(t_ebin *eb, gmx_bool bSum);
82 /* Increase the counters for the sums.
83 * This routine should be called AFTER all add_ebin calls for this step.
86 void reset_ebin_sums(t_ebin *eb);
87 /* Reset the average and fluctuation sums */
89 void pr_ebin(FILE *fp, t_ebin *eb, int index, int nener, int nperline,
90 int prmode, gmx_bool bPrHead);
91 /* Print the contents of the energy bin. If nener = -1 ALL energies from
92 * index to the end will be printed. We will print nperline entries on a text
93 * line (advisory <= 5). prmode may be any of the above listed enum values.
94 * tsteps is used only when eprAVER or eprRMS is set.
95 * If bPrHead than the header is printed.
98 #endif